What Will Be the Immediate Action of an Allergen When

question 23

Multiple Choice

What will be the immediate action of an allergen when it enters the body for a second time?

• A)Binding of allergen to adjacent IgE binding sites on mast cells and basophils
• B)Histamine acts on smooth muscle
• C)Prostaglandins cause vasodilation and increased vascular permeability
• D)Binding of IgE by the Fc region to mast cells and basophils
• E)Degranulation

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Definitions:

Primacy Effect

The tendency to remember information at the beginning of a list better than the information in the middle or the end.

Recency Effect

The tendency to remember and place more importance on the most recently presented information or experiences.

High Distinctiveness

A feature or attribute that makes an individual or object stand out significantly from others in the same category or context.

Kelley's Covariation Model

A theory in psychology that describes the way people assign reasons to events by evaluating the event's consistency, distinctiveness, and the level of agreement among observers.